NBC indicated that the call hadn’t come from the network: “NBC never called the race. We caught the incorrect tweets and quickly reached out from NBC News and msnbc to have the secondary sources correct their information,” noted NBC News spokeswoman Erika Masonhall.

Not long after the bogus Twitter rumor, authentic NBC News Twitter activity declared:

NBC News declares Elizabeth Warren the the projected winner of the Senate race in Massachusetts. #NBCPolitics